@misc{indiciaefb6c9ce5802e,
  title = {Aeromagnetic map of the central San Francisco Bay area, California},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1996},
  doi = {10.3133/ofr96530},
  url = {https://pubs.usgs.gov/publication/ofr96530},
  note = {Source identifier: ofr96530}
}